64492201 has 4 divisors (see below), whose sum is σ = 66716100. Its totient is φ = 62268304.

The previous prime is 64492187. The next prime is 64492231. The reversal of 64492201 is 10229446.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40960000 + 23532201 = 6400^2 + 4851^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64492201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64492201.

It is not an unprimeable number, because it can be changed into a prime (64492231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1111906 + ... + 1111963.

It is an arithmetic number, because the mean of its divisors is an integer number (16679025).

Almost surely, 2^64492201 is an apocalyptic number.

It is an amenable number.

64492201 is a deficient number, since it is larger than the sum of its proper divisors (2223899).

64492201 is a wasteful number, since it uses less digits than its factorization.

64492201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223898.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 64492201 is about 8030.7036428946. The cubic root of 64492201 is about 401.0228012151.

The spelling of 64492201 in words is "sixty-four million, four hundred ninety-two thousand, two hundred one".